LED Board 3mm thickness, 56PCS 1W LED 110-120lm 6000-6500K Model: 56LEDBOARD Diameter of aluminium PCB: 203.2mm Thickness of aluminium PCB: 3.0mm Soldering with 56PCS 1W high power LED 110-120lm 6000-6500K We can make out the aluminium PCB and solder LEDs and wires according to customer's design and requirement.